DistanceRegular.org
Johnson graph $J(19,3)$
Number of vertices:
$969$
Diameter:
$3$
Intersection array:
$\{48,30,14;1,4,9\}$
Spectrum:
$48^1 29^{18} 12^{152} (-3)^{798}$
Automorphism group:
$S_{19}$
Distance-transitive:
Yes
Primitive
Downloads
Adjacency matrix
Adjacency matrix in GAP format
Adjacency matrix in CSV format
Graph in GRAPE format
Links
Andries Brouwer
Wikipedia
Wolfram
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Graphs with 501-1000 vertices
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Graphs with diameter 3
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Johnson Graphs
Last updated: 22 April 2024